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Major land uses in Montana from the National Atlas of the United States, (1970) page 158.
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Montana Population in persons per square mile from the 2000 Census. This data is a smoothed-over representation of Montana's population density surface, designed to emphasize small areas with high population density. It was derived from U.S. Census Bureau 2000 TIGER files and population counts. The original data was resampled to a 100-meter grid, smoothed, and the highest resulting density of the 100-meter cells in each 1-kilometer grid cell was assigned to the cell. When comparing this data set to the similar data set available from NRIS for the 1990 Census, it is important to realize that the change of population density at a location is likely to be the result of a change in the configuration of the Census...
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Ecological units were drafted on 1:500,000 scale Geologic maps by soil scientists of the Northern Region forests, based on their knowledge and soil, climate, geologic, and vegetation maps available to them.
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Mining Districts of Montana, developed by the Montana Abandoned Mines Reclamation Bureau. Based on a map of minining districts made in 1935, with some districts revised or removed, with addtional districts added. The districts were revised again in May of 1995. Mining districts were formed by associations of miners in a region who developed rules and laws to govern mining in the district. They sometimes established a monument to serve as the reference point for surveys in the district and created a description of the district boundary. Mining districts are no longer legal entities. Historical narratives describing the mining districts and their boundaries are available at http://deq.mt.gov/abandonedmines/linkdocs/default.mcpx.
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These data are estimates of average annual precipitation, in inches, for the climatological period 1971-2000. Parameter-elevation Regressions on Independent Slopes Model (PRISM) derived raster data is the underlying data set from which the data were created. PRISM is an analytical model that uses point data and a digital elevation model (DEM) to generate gridded estimates of annual, monthly and event-based climatic parameters. For further information, the online PRISM homepage can be found at http://www.ocs.orst.edu/prism/. The data is available as an ESRI GridASCII export file, in latitude/longitude coordinates with a horizontal resolution of 0.00833 degrees, for the entire United States from the Oregon Climate...
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Weather stations of Montana, obtained from the Meso West web site at ftp://ftp.met.utah.edu/pub/mesonet/data. MesoWest (http://www.met.utah.edu/mesowest) is a cooperative project between researchers at the University of Utah, forecasters at the Salt Lake City National Weather Service Office, the NWS Western Region Headquarters, and personnel of participating agencies, universities, and commercial firms. The goal of this project is to provide access to current weather observations in the western states. Support for this project is being provided by the National Weather Service. MesoWest relies upon weather observing networks that are managed by federal, state, and local agencies and private firms. Weather observations...
These are all of the roads from the U.S. Census Bureau 2000 TIGER files. Most of the roads were digitized from 1:100,000 scale maps by the US Geological Survey. Roads added to the database after 1990 were digitized by the Census Bureau from various sources. Some roads that exactly follow county lines exist twice in the TIGER database -- once for each county that they appear in. One of each of these pairs has been removed from the version of this data set that is on the SDE server at the State Library and the statewide shapefile on the web site. The individual county shapefiles on the web site are also missing these duplicate roads, so most county shapefiles will not have all of the roads that fall exactly on...
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American Indians (1990) per square mile. Derived from U.S. Census Bureau TIGER files and population counts. The original data was smoothed, and the highest resulting density in each 1-kilometer grid cell was assigned to the cell. See /gis2/montowrk/cmp/94/94nris98e.aml for the exact method used to create this grid.
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Designated Wolf Recovery Areas -- Central Idaho and Yellowstone Nonessential Experimental Wolf Population Areas, and the Northwest Montana Recovery area. All of Montana, Idaho, and Wyoming are included in one of these areas. The coverage contains additional arcs for the boundaries of the three states and Interstates 90 and 15 in Wyoming and Idaho.
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Montana Population in persons per square mile. Derived from 1990 U.S. Census Bureau TIGER files and population counts. The original data was smoothed, and the highest resulting density in each 1-kilometer grid cell was assigned to the cell. See /gis2/montwork/cmp/94/94nris98e.aml for exact method used to create this grid.
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Water Resource boundaries were created by reselecting arcs from the 1:100,000 TIGER county coverage. Information came from an ascii file provided by DNRC, "Water Resources Division Regional Offices." For more information, see /gis2/montwork/cmp/94/94nris172d.aml
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These data are estimates of average daily minimum temperature, in degrees Fahrenheit, for the climatological period 1971-2000. In other words, each value represents the average of every daily low temperature over the 30 year period. Parameter-elevation Regressions on Independent Slopes Model (PRISM) derived raster data are the underlying data set from which the data were created. PRISM is an analytical model that uses point data and a digital elevation model (DEM) to generate gridded estimates of annual, monthly and event-based climatic parameters. For further information, the online PRISM homepage can be found at http://www.ocs.orst.edu/prism/. The data are available as an ESRI GridASCII export file, in latitude/longitude...
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Mine locations from the U.S. Bureau of Mines Mineral Information Location System (MILS) database. Provided to NRIS by Frances Baker of the Spokane office (509-353-2738 or 509-353-2712). This data was provided to BOM from many State and Federal agencies, and the coordinates come from sources of varying accuracy. The attributes included here are a subset of those available from USBOM. Data from BOM's "one-liner" report on 9/1/1992.
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Data was acquired during aerial surveys conducted by Montana Fish, Wildlife & Parks (FWP) between 1993 and 2007. The aerial surveys were conducted annually to count and classify mountain in the area. Data are used by Montana Fish, Wildlife & Parks (FWP) in their management responsibilities to set hunting seasons, determine population trends, and identify critical habitats. Observations were recorded on data forms and locations either plotted on USFS Maps (Deerlodge National Forest) or recorded by specific location. The data represents observations of mountain goats. It is not intended to represent overall or annual distribution. Each individual observation represents one or more animals. Density of observations...
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The workspace /montana/census/blocks contains 57 coverages, one for each Montana county. The Census Blocks have data for total population, population density, and population broken down by race and voting age. 1990 Census data.
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The second edition of "Ecoregions of Montana" (2002) revises many ecoregion polygon assignments that appeared in the first edition (Woods and others, 1999). These changes were made after research in Idaho (McGrath and others, 2002) recognized the Idaho Batholith as a separate level III ecoregion (Ecoregion 16), limited the Northern Rockies (15) to strongly marine-influenced areas, and transferred the Montana Valley and Foothill Prairies (formerly Ecoregion 16) to another level III ecoregion, the Middle Rockies (17). The second edition also modifies a few level IV ecoregion lines along Montana's western border so that ecoregions shared by Montana and Idaho will edge match. In addition, it updates ecoregion...
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Township and Range lines of Montana, including townships "protracted" through unsurveyed areas by the BLM or Forest Service.
map background search result map search result map BLM Special Management Areas Mining Districts Montana Public Land Survey Section Lines Montana Township and Range Montana Water Resources Division Districts Wolf Recovery Administrative Areas Montana Average Annual Precipitation, 1961-1990 Montana Average Annual Precipitation, 1971-2000 Montana Average Daily Minimum Temperature, 1971-2000 Weather Stations of Montana Upper Clark Fork River Basin Mountain Goat Locations Ecoregions of Montana Land Use American Indian Population Density - 1990 Montana Census Blocks with Population Data, 1990 Montana 1990 Population Density 1-km grid Montana 2000 Population Density 1-km grid Mine locations from the U.S. Bureau of Mines Mineral Database Ecological Subsections, USFS Northern Region Montana Roads from TIGER/Line Piles Upper Clark Fork River Basin Mountain Goat Locations BLM Special Management Areas Weather Stations of Montana Montana Roads from TIGER/Line Piles Ecoregions of Montana Montana 2000 Population Density 1-km grid Township and Range Montana Public Land Survey Section Lines Montana Land Use Montana Average Annual Precipitation, 1961-1990 Montana Census Blocks with Population Data, 1990 Montana Average Annual Precipitation, 1971-2000 Water Resources Division Districts American Indian Population Density - 1990 Montana 1990 Population Density 1-km grid Montana Average Daily Minimum Temperature, 1971-2000 Mine locations from the U.S. Bureau of Mines Mineral Database Mining Districts Montana Wolf Recovery Administrative Areas Ecological Subsections, USFS Northern Region